Respirator.



S. W. GREENE.

RBSPIRATOR.

APPLIOATION FILED DBC. 22. `1906.

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Patented Mar. 25, 1913.

ifm/ENTER VVWN EEESEE rcontact therewith.

1, either under a slight pressure orunder the natural draft from out. of doors, and

Athrough the opening 10 into the distributer 2. Upon entering the distributer 2 most of the air flows around thecliimney'20 to the opening 12 Where it mingles with the medithe Walls 14 and 15 t-o the opening v12. A.

small portion of the fresh air which enters the distributer 2 through the opening 10 flows through the small openings25iand 26 into the medication chamber 18, thereby causing a steady fiovv of thev medicated l.fumes out of the opening 22 in the chimney.

It is obvidus that, if desired, the medication device may be omittedand a suitable cover,I similar in form to the bottom Iot' the medication chamber, may-be usedl to close the openings 17 and 25 -in the bottom of the distributor. In such case-the air current entering the distributer 2 will ow against the bottom 11 of the distributer. and be divided by the trails 111 and 15 into a ,spray which will der? out of the enlarged o ning 12 against the upper lip and direc-t y vbeneath the nostrils.

In order to protect the mouth'o-f the user from the current of air from the respirator, the distributer is provided with a mouthshield127 which is adjustably secured thereto by means of thfe spiral springs 28, clips 2 9 and screws 30.. With this construction the mouth-shield 27 may be easily adjusted'to any desired position. The mouth-shield is preferably covered With chamoisorfabric' 31 and a strip 32 of similar material is 'se-v cured to the edge of the top 'of the dis` tributer 2 to roteot the face of the user in case either o lsaid arts should come into s shown in Fig. 1, the airtube` is provided With a detachable swivel coupling 33 which is heldin coupled position by means of the spring catch 34. TheA air tu'be is also preferably provided with a manually operated damper or valve 35 for.`

regulating the supply of fresh air.

`What I claim as my invention and d sire to secureby Letters Patent is:

1. A' respirator comprising an air-tube, means for holding the lair-tube upon the head, a delivery nozzle secured to said airtube, said delivery nozzle being provided with an air-inlet adjacent the outer side, and an air-outlet upon the inner side adjacent the nostrils.

2. A respirator comprising an air-tube provided Witha delivery nozzle at one end thereof, a rigid supporting plate secured to said air-tube, said support-ing plate being adapted to rest upon the forehead and being prpvided with a cantaliver extension adaptedr to support the delivery nozzle in ing plate secured to said air-tube, said sup' porting plate being provided With a short arm adapted to rest upon the forehead and a long arm extending in a plane substan' t-ially parallel with the nose and out of contact therewith, and means for holding said short "arm, in place` upon the forehead.

4. A respiratorv comprising an air-tube, a distributin device secured to the end of said air-tube', sald distributing device consisting of a {1 -shaped casing provided with an open ing to receive the end of the nose, and means for holding said distributing device out of contact with the nose and face.

5. A respirator comprising an air-tube, means for sup orting said air-tube upon the head, a distributing device secured to the end of saidV air-tube, an opening in said disv tributing device opposite the end of the nose, and a mouth-shield secured to said distribut ing device.

6. A respiratorv comprising an airtube,

means for supporting said air-tube upon the' head, a distributing device secured to the end of said airetube, an opening in said distributing device opposite the end of the nose, and an adjustable mouth-shieldsecured to said distrlbuting device.

7. A respirator comprising an air-tube,

means for supporting said tube upon the head, a distributing device secured to the end 'of said air-tube and in close proximity to the nostrils, said distributing device being provided with means for dividing the 'air-current lpassing'. therethrough.

8. A respirator comprising an air-tube,

means for suppo'rtin said tube upon the head, and a distributing device secured to Ithe end of said'v air-tube and in close proximity to the nostrils, said distributing device being provided upon the interior with tivo short longitudinal Walls.

9. A respirator comprising an air-tube, mea-ns for supporting said air-tube upon the head, a distributing device secured to the end of said air-tube and in close proximity to the nostrils, said distributing devicebeing provided with an air-compartment and a detachable medication chamber having a chimney extendinginto said air-compart# ment, and an opening 1n said air-compartment adapted to register with an open-- ing in the medication chamber.

10. A respirator comprising an air-tube, means for supporting said air-tube upon the head, a distributing device secured to the end of said air-tube and in close proximity to the nostrils, said distributing device comprising a U-shaped casing having an openhoud. n distributing device Sccurcd to thc l0 cusrng,m1da medication clmmbvr scoured tu end of Huid nir-lube, menus for supplying the bottom of Suid casing u1u! having' u uudczuml {uuus into Suid distributing de- -hiuu1ey uxteming uio Huid r:xHr1ff.uuupr-u vicoT uml menus fur regulating H10 supply ing iu said ('lximuey in lino with (hv opening o" said fumes. in the Casing, and nu uil-(rlmlulwr surround- SAMUL VR) GREFNE. ing Suid chmnqy. r Yiuo'usrsz ll. A respirator cmnprising am ur-t111w, H, Tullks'rux, menus for supporting' mid :limube upon the l J. H.. TIIURSTON.

ing bei weon ille free ends of U10 sidos mf huid 

